NUB 215 ECJ
Single row cylindrical roller bearing with extended inner ring, NUB design
Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds.
Having two integral flanges on the outer ring and no flanges on the inner ring, NUB design bearings can accommodate axial displacement in both directions. The inner ring is extended on both sides, enabling larger axial displacements. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
- High radial load carrying capacity
- Low friction
- Long service life
- Accommodate axial displacement in both directions
- Separable design
Dimensions
| d |
75 mm
|
Bore diameter |
| D |
130 mm
|
Outside diameter |
| B |
31 mm
|
Width |
| C |
25 mm
|
Width of outer ring |
| D1 |
≈113.3 mm
|
Shoulder diameter of outer ring |
| F |
88.5 mm
|
Raceway diameter of inner ring |
| r1,2 |
min.1.5 mm
|
Chamfer dimension |
| r3,4 |
min.1.5 mm
|
Chamfer dimension |
| s |
max.6.2 mm
|
Permissible axial displacement |
Abutment dimensions
| da |
min.84 mm
|
Diameter of spacer sleeve |
| da |
max.86 mm
|
Diameter of spacer sleeve |
| db |
min.91 mm
|
Diameter of shaft abutment |
| Da |
max.121.5 mm
|
Diameter of housing abutment |
| ra |
max.1.5 mm
|
Radius of fillet |
| rb |
max.1.5 mm
|
Radius of fillet |
Calculation data
| SKF performance class |
|
SKF Explorer
|
| Basic dynamic load rating |
C |
150 kN
|
| Basic static load rating |
C0 |
156 kN
|
| Fatigue load limit |
Pu |
20.4 kN
|
| Reference speed |
|
5 600 r/min
|
| Limiting speed |
|
6 000 r/min
|
| Minimum load factor |
kr |
0.15
|
| Limiting value |
e |
0.3
|
| Calculation factor |
Y |
0.4
|
